DG41TY Datasheet, PDF (50/88 Pages) Intel Corporation – Technical Product Specification

Intel Desktop Board DG41TY Technical Product Specification
2.2.2.5 Front Panel Header
This section describes the functions of the front panel header. Table 23 lists the signal
names of the front panel header. Figure 11 is a connection diagram for the front panel
header.
Table 23. Front Panel Header
In/
Pin Signal
Out Description
Pin
Hard Drive Activity LED
1
HD_PWR
Out
Hard disk LED pull-up 2
to +5 V
3
HDA#
Out
Hard disk active LED 4
Reset Switch
5
Ground
Ground
6
7
FP_RESET# In
Reset switch
8
Power
9
+5 V
Power
10
Signal
In/
Out
Description
Power LED
HDR_BLNK_ Out
GRN
Front panel green
LED
HDR_BLNK_ Out
YEL
Front panel yellow
LED
On/Off Switch
FPBUT_IN
In
Power switch
Ground
Ground
Not Connected
N/C
Not connected
Figure 11. Connection Diagram for Front Panel Header
2.2.2.5.1
Hard Drive Activity LED Header
Pins 1 and 3 can be connected to an LED to provide a visual indicator that data is
being read from or written to a hard drive. Proper LED function requires one of the
following:
• A Serial ATA hard drive connected to an onboard Serial ATA connector
• A Parallel ATA IDE hard drive connected to an onboard Parallel ATA IDE connector
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